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prodiction
2008 Jun 09
2
Comparing two groups of proportions
Hi,
I have a seemingly common problem but I can't find a proper way to approach
it. Let's say we have 5 samples (different size) of IC circuits coming from 5
production lines (A, B, C, D, E). We apply two different non-destructive QA
procedures to each sample, producing to sets of binary outcomes (passed:
no/yes). So, we have two groups of proportions:
QA1 QA2
no/yes no/yes
A